Children require long, uniterrupted periods of play and exploration
Logic and mathematics are nothing but specialised linguistic structures.
Play is the answer to how anything new comes about.
Play is the work of childhood.
Knowing reality means constructing systems of transformations that correspond, more or less adequately, to reality.
The self thus becomes aware of itself, at least in its practical action, and discovers itself as a cause among other causes and as an object subject to the same laws as other objects.